Philips-PET-728-Service-Manual(1) 电路图 维修手册.pdf

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1、DVD Portable Player PET724/PET725/PET728 All version 3141 785 30836 Version 1.6 TABLE OF CONTENTS Chapter Technical Specification 1 Safety Instructions 2 Instruction for Use3 Mechanical Instructions 4 Troubleshooting & Service Tips 5 Overall Block Diagram 6 Overall Wiring Diagram 7 Electrical Diagra

2、m 8 Component Layout. 9 Exploded View Diagram & Service Part List.10 IRIS Code11 Revision List. 12 Service Manual OSD TEST CONFIGURATION SETUP Copyright 2005 Philips Consumer Electronics B.V. Eindhoven, The Netherlands All rights reserved. No part of this publication may by reproduced, stored in a r

3、etrieval system or transmitted, in any form or by any means, electronics, mechanical, photocopying, or otherwise without the prior permission of Philips RadioFans.CN 收音机爱 好者资料库 1.0 TECHNICAL SPECIFICATION General Dimensions (WxLxH) : 19.4 x 17.1 x 3.2 cm 7.6 x 6.77 x 1.3 inches Weight : 0.86 kg / 1.

4、89 lb Power supply : DC 9V 2.2A Power consumption : 30W Operating temp. range : 0 - 50C (32 122F) Laser wavelength: 650nm Video system : NTSC / PAL / AUTO Frequency response : 20Hz 20KHz 1dB Signal/noise ratio 85dB Audio distortion + noise 80(1KHz) Channel separation: 85dB Dynamic range 80dB Output

5、Audio out (analog audio) Output level: 2V 10% Load impedance: 10K Video out Output level: 1Vp - p 20% Load impedance: 75 Current consumption DC-IN SUPPLY (9.0V) Battery Charging Current 1.2A typ. BATT. SUPPLY (7.2V) Power Off 0A Playback with TFT on 1.2A typ. Playback without TFT on 2.5hrs Headphone

6、 out (headphone output load 2x16 ohm) Maximum output power : 10Mw Frequency response : 20Hz - 20kHz SNR (A-wght) : 80dB typ. THD (1kHz) : 1% Left-Right Channel Separation : 32dB typ. Left-Right Channel Balance : 1dB Supported disc type DVD video discs: Video CD: Audio CD : DivX video discs: (for PET

7、725) In addition, this unit can play DVD+R & DVD+RW and CD-R & CD-RW that contains audio titles or MP3 or JPEG files. You cannot play disc other than the above listed. (CVD, CD-ROM, CD-Extra, CD-G and CD-I discs cannot be played on this DVD player) Software upgrades For the best performance of your

8、DVD Portable. Check for latest software upgrades available. To check the software version of your DVD Portable. 1. Press the SETUP key to enter the setup menu. 2. Press RETURN and then press 1, 2 and 3 on the remote control. 3. The display will show the software version as the date of which the soft

9、ware was built on the bottom of the screen. E.g. 050303 Procedure on how to upgrade the software of the DVD Portable 1. Download the latest software from the Philips support site. 2. Unzipped the files and then burn it onto a CD ROM then playback the CD ROM on the DVD Portable. Pixel specification B

10、 To repeat or loop a sequence in a title PLAY-MODE Selects play order options 7 0 - 9 Numeric keypad 8 MUTE Muting play volume REPEAT Repeats chapter / title / disc 9 RETURN For VCD menu page ANGLE Selects DVD camera angle SUBTITLE Subtitle language selector LANGUAGE Language selector MENU Displays

11、MENU page SETUP Enters SETUP menu Remote Control ? Up / down / left / right cursor Confirms selection On Screen Display on / off INFRA RED PORT BATTERY COMPARTMENT 10 11 12 13 14 Pause playback Press twice to stop playback ? ? / For previous ( ) or next ( ) chapters, tracks or titles ? ? ? / Search

12、backward ( ) or search forward ( ) ? ? ? ? Starts / resumes playback ? VOLUME Volume control ? 4.0 MECHNICAL INSTRUCTIONS Fig.1 soldered 1. Back View as Fig.1 Remove screws to remove base 2. Disconnect key control wire and 20 pins harness, Remove screws to dismentle the plate, Soldered short pattern

13、 for laser diode as Fig.2 3. Fig.2 Remove DVD driver and main board as Fig.3,4 Disconnect DVD driver and main board Fig.3 4. Remove key board and other parts as Fig.5 Fig.5 5. Remove top cover as Fig.6 Fig.4 Remove DVD driver and main board Fig.6 6. Disconnect speakers and IF board Remove IF board a

14、s Fig.7. 7. Fig.7 Remove TFT shield, HV board and LCD TFT as Fig.8,9. Fig.9 Fig.8 20 pins harness key control wire 5.0 TROUBLESHOOTING & SERVICE TIPS Procedure to change regioncode 1.Power on player and open DVD Door. 2.Press at Remote Control. In select then press . 3.For PET72x - Press successivel

15、y 2 1 2 2 2 5. . . 4.Display will show for Europe: 5.Press key to input preference region code (see below table). 6.Switch off and re-switch on the product. Verify Region code change done.7. Region CodeRegion 1USA 2EUROPE 3ASIA PACIFIC 4 AUSTRALIA, NEW ZEALAND, LATAM 5 RUSSIA, INDIA 6 CHINA REMARKS:

16、 1. Password is CONFIDENTIAL. 2. Region code is printed on product type plate. Due to DVD legislation region codes different to assigned region may not be released. 5.0 TROUBLESHOOTING & SERVICE TIPS no replace cable/ adapter SYMPTOM: NO POWER, NO GREEN LED Check if the power cable and AC adapter OK

17、? No defect, return set to customer yes start set OK? Check if the power and play button OK? replace connector and switch unit replace MAIN BOARD go to other SYMPTOM no yes yes no replace DVD drive SYMPTOM: NO IMAGE OR SOUND COMES OUT FROM THE EXTERNAL OUTPUT start Check operation of the DVD drive.

18、Does the DVD drive work? yes no Replace the main board or the connector 5.0 TROUBLESHOOTING & SERVICE TIPS no SYMPTOM: THE INITIAL SCREEN IS NOT DISPLAYED ON THE LCD Check if the LED on the front lights up? start Check if the backlight is OK? Check if the lighting of the LCD is OK? Open the top and

19、bottom assembly to check the connector harness Open the top and bottom assembly to check the connector to the main board yes yes no no yes Refer to the symptom NO POWER, NO GREEN LED Is the connector harness broken? Replace broken harness yes Remove the LCD cover and plate of the LCD unit to check t

20、he connector of the FL harness Is the connector OK? no Repair connector Replace FL inverter or LCD no yes Is the connector broken? Replace LCD harness or main board yes Remove the LCD cover and plate of the LCD unit to check the connection of the harness to the LCD unit no Is the connection OK? Conn

21、ect the LCD harness to the LCD unit no Replace LCD unit or main board yes Replace LCD unit or main board SYMPTOM: NO IMAGE OR SOUND COMES OUT FROM THE EXTERNAL INPUT start Replace the main board or the connector 5.0 TROUBLESHOOTING & SERVICE TIPS SYMPTOM: THE DVD DRIVE DOES NOT WORK start Check the

22、optical pick up lens? yes Pick up lens does not light up at all Press the DISC cover switch at the center of the DVD player and turn on the power. Then check whether or not the optical pick- up lens of the DVD drive lights. CAUTION: Visible laser radiation when open and interlock defeated. Do not st

23、are into Laser beam. Replace DVD drive Pick up lens light up dim Check the connectors of the DVD drive and main board? OK Secure the connection of the DVD drive and main board Not OK Pick up lens light up OK Insert a DVD disc and turn on the power What is the reaction of the DVD drive? The DVD drive

24、 works but the initializing operation of the optical pick-up lens does not start (the optical pick-up lens operates twice), or abnormal noise sound Replace DVD drive or main board DVD drive does not work The operation of the DVD player stops at initializing display. Is there any message shown on dis

25、play oading?displayed Nothing on display Check the DVD disc for fingerprints, dirt, HECK DISK?displayed Is the DVD disc OK? DVD disc OKDVD disc dirty No defect, return set to customer Does the image output stop during the operation? yes no 5.0 TROUBLESHOOTING & SERVICE TIPS Secure the connection of

26、the battery harness inside the DVD player SYMPTOM: THE DVD DRIVE DOES NOT OPERATE WITH BATTERY start Is the connection of the battery OK inside the DVD player? yes no Replace main board Replace batteryyes Install a good battery does the LED lights up orange while the AC adapter is connected and does

27、 the DVD drive operate OK? NOTE: - For this check, use a battery which is not fully charged (because the LED does not light when the battery is fully charged.) - Before this check, make sure other function work correctly. no SYMPTOM: NO SOUND COMES FROM THE HEADPHONES start Replace main board yes In

28、sert a good headphones and check if the problem persist? Customer headphones defective no RF AMP & SERVO & DVD PROCESSOR MPEG-2 DECODER & VIDEO ENCODER MT1389DE 6.0 OVERALL BLOCK DIAGRAM AC Adapter DC IN +9V DC / DC (BQ2057C)(TPC8207)(VG202C) 110240V 50/60Hz BATTERY DV23(HD80) PU mechanism DRIVER (B

29、A5888) 16M FlashROM MX29LV160ABTC-70 64M SDRAM HY57V641620ETP-H TC4W5327MHz AUDIO D/A (PCM1753) MX88V462UCGTFT MONITOR AUDIO AMP (AZ4558) TC74HC4052AFT HWD4863 HIGH VOLTAGE ASSY 74HCU04 27MHz VIDEO OUT AUDIO OUT PHONE OUT SPEAKER LOUT SPEAKER ROUT L R L R DRIVER +5V +5V AUDIO +/-5V +5V +3.3V +1.8V A

30、UDIO +5V TFT POWER +3.3V +5V +2.5V 8.8V +16V -10V COAXIAL OUT DC 9V OSCILLATOR OZ9RR VIDEO IN AUDIO IN 1 2 3 4 5 6 7 8 KEYIN0 KEYIN1 KEYIN2 KEYIN3 KEYOUT0 KEYOUT1 KEYOUT2 KEYOUT3 1 2 3 4 5 6 7 8 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 NC LD/VCC V20 GND F E CD/DVD SW RF C D B A

31、 VRCD VRDVD MD LD/CD GND LD/DVD NC VCC FCS- TRK+ TRK- FCS+ 1 2 3 4 5 6 1 2 3 4 5 6 LIMIT GND SL+ SL- SP+ SP- 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16

32、 17 18 19 20 1 2 3 4 HV GND BRIGHT TFT ON/OFF HV 1 2 3 4 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 XS3 XS008 XS1 FUNCTION BUTTON PCB LOADING MAIN PCB LCD HV POWER PCB SWITCH PCB JS5 JS2 JS4 XS6 XS3 XS4 XS1 VCOMS TFT-16V SPIO NC NC CLD MODE1 GND VDD1 GND SPOI GN

33、D LCD R LCD G LCD B TFT5V TFT5V GND GND TFT+13V COMS GND GND MODE2 CLS SPS VDD1 GND VDD3V3 VDD3V3 GND GND GND -14.5V GND +16.5V GND 3.3V 3.3V GND SPKL- SPKL+ SPKR- SPKR+ GND GND TFT ON/OFF BRIGHT-CO TFT-HV9V TFT-HV9V VCOMS GND 3.3V GND B G R GND MODE2 MODE1 SPOI SPIO SPS CLD NC CLS GND GND TFT +5V T

34、FT +5V 1 2 3 1 2 3 DCIN POWER SW GND 1 2 3 4 1 2 3 4 BATT+ TS GND GND XS001 BATTERY 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 1 2 3 4 GND GND ISEN VSEN 1 2 3 4 IF PCB 7.0 OVERALL WIRING DIAGRAM 8.0

35、ELECTRICAL DIAGRAM MAIN BOARD CIRCUIT DIAGRAM (MPEG) RS-232 24 F+ AUDIO INTERFACE 5 1 16 22 VR-CD DVD-LD MD B/b 19CD-LD Vc(Vref)13 21 VIDEO INTERFACE NC SANYO SF-HD60 VR-DVD 15 7 F- E 20 Crystal 12 14 RF MEMORY A/a 6 F NC T+ GND-LD 18 HFM VSDA Pull UP 2 11 CD/DVD SW 23 9 17 3 Vcc IIC FLASH 4 GND-PD

36、C/c 10 D/d T- 8 Open JP1 , if used VFD TCK ASPDIF GPIO_3.6 PWR# A0.21 89_AR ABCK V1P4 SVDD3 TxD TROUT ADIN ADIN SPDATA ALRCK TDO IOA ASDAT0.3 APLLVDD3 FOO SDA RFV33 IRVCC TRSO SCL 89_ALS ASDAT0.2 FMO YUV1.6 RFVDD3 TDI DCKE URST# PCE# HSYNC# ADACVDD AD0.7 RFO FMSO SPMCLK OP- ALRCK TRSO CS# 89_CTR TEZ

37、ISLV XI IO_19 XO FMSO V1P4 RFV18 DMSO BA0.1 ACLK 89_SW VSDA TRCLOSE WE# SPBCK VSYNC# 89_AL TMS V2P8 RxD SP+ VSTB STBYFOSO DQM0.1 DMO CAS# IO_18 SL+ XO SP- OP+ YUV7 STBY IO_0.19 V1P4 VSCK DMSO DQ0.15 89_ARS DACVDD3 MA0.11 TRIN XI TRO DCLK V18 PRD# SL- RAS# SP- FOSO TFTSW DRVCC1 LD/VCC V20 F E F+ F+ T

38、+ T+ T- T- F- F- VCC CD/DVDSW CD/DVD VD/CD VRDVD VCC RFO C/C D/D B/B A/A MD LD/CD LD/CD DQM1 BA0 DCLK MA11 IO_1 VSYNC# AD5 A10 A8 A14 F DQ12 USBM DACVDD3 ASDAT2 MA5 IO_6 IO_7 DQM0 PRD# A20 DQ9 ASDAT0 GPIO_4 RAS# MA6 IO_0 DQ3 IR A17 DQ11 ADIN WE# DACVDD3 VIDEO# DQ6 ICE PWDN# A1 V2P8 ADACVDD 89_CTR SP

39、BCK BAT 89_AL CS# BA1 YUV4 INT0# SDA A16 AD4 A13 TEO VREF AMDAT MA3 YUV6 DQ0 DQ5 CD/DVD RESET# DQ4 SCL VSCK PWR# AD2 RFOP V20 V1P4 DACVDD3 B/B ASPDIF ABCK APLLVDD3 MA7 MA4 TXD UWR# A2 VREF ACLK MA0 BIGHTCON V18 A9 DMO IR DQ13 AD7 USBP SPDATA YUV5 C A19 OP+ FS 89_ALS TFTSW RFV18 PLLVDD3 RFVDD3 LIMIT

40、YUV0 YUV7 DQ8 A3 AD1 V20 ALE YUV2 IO_2 DACVDD3 DQ14 RXD VSDA A0 A5 TDI GPIO_5 DQ1 PCE# A21 A18 A11 FEO LDO1 VSDA V1P4 C/C 89_AR IO_17 HSYNC# YUV5 A4 STBY AD6 89_ARS YUV0 GPIO_6 GPIO_3 89_SW MA10 MA1 DCKE MA9 URD# AD0 A6 TRO RESET# OPO FS ASDAT1 ALRCK IO_4 IO_3 DQ15 AD3 CLOSESW RFON E V1P4 V1P4 DQ10

41、ASDAT3 MA2 YUV7 YUV1 DCLK DQ2 DQ7 ASTB A15 FOO JITFN PLLVDD3 JITFO MD SPMCLK CAS# YUV6 YUV3 IO_5 Y RFVDD3 A12 RFVDD3 USBVDD TROPEN JITFN LDO2 A/A D/D JITFO OPO D/D OP- C/C V1P4 FMO A/A A7 B/B MA8 LD/DVD LD/DVD LD01 LD02 VCC SL+ SL- SP+ LIMIT BAT-DET DCLK3 SPBCK3 VSYNC#3 YUV1.64 PRD#3 YUV73 A0.213 PC

42、E#3 ASPDIF4 SDA3 DQ0.153 HSYNC#3 CS#3 89_ARS5 DCKE3 89_SW5 DQM0.13 MA0.113 SPLRCK3 89_AL5 ACLK5 ASDAT0.33,5 SPDATA3 ALRCK5 WE#3 BA0.13 GPIO_3.63 CAS#3 89_AR5 SPMCLK3 ASDAT0.23,5 89_CTR5 AD0.73 PWR#3 ABCK5 SCL3 IO_0.193 URST#1 RAS#3 89_ALS5 DV33 DV33 DV33 DRVCC1 VCC DV33 V18 DV33 DV33 V18 DV33 V18 MO

43、_VCC V18 V18 DV33 DV33 RFV33 DV33 5V5 DV33 V18 DV33 LDOVCC LDOVCC +P5V DV33 DV33 POWERSW TP25 TP18 TP72TP74TP77 CB25 0.1uF TP75 TP5 C30 C/NC TP87 TP40 R547K CB17 0.1uF VD121SS355 R15100k R3739K R39 1 L30FB CB30 0.1uF TP23 R128 10k TP58 R31 R/NC CB27 0.1uF CB35 0.1uF L6 FB TP29 TP2 C3710U/10V CB18 0.

44、1uF +CE14 10uF/6.3v C10UF6.3V/D4H5 R130 6.8 C93 10uF/10v +CE15 100uF/10v C771uF R851K R4215k TP17 C210.1uF CB23 0.1uF C181uF R2310 TP43 C230.033uF R4720k C009 0.1uF +C01 10uF/6.3v R201 CB9 0.1uF C22200pF R12 150k R166 10k J1 6x1 W/HOUSING 6 5 4 3 2 1 R47 20k TOP HA1 HEADER 24 SMD0.5 TOP 1 2 3 4 5 6

45、7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 L14 FB TP83 C53 150pF TP56TP35 TP15 C70.1uF R24 1k R994R7 TP16 R11 150k TP86 TP12 TP45 R984R7 TP11 C270.047uF C4 0.1uF TP3 TP31 TP44 R10100k CB15 0.1uF R4520k TP54 TP19 CB33 0.1uF R16R/NC CB12 0.1uF TP53 TP69 TP84 RN1 0 x4 12 34 56 78 R131K5 C18 33p

46、F C260.047uF C49 330pF R38 1 CB34 0.1uF R13 680k N5 BA4558 1 2 3 45 6 7 8 OUT1 -IN1 +IN1 VEE+IN2 -IN2 OUT2 VCC C28 0.1uF CB22 0.1uF R0210 C140.1uF TP60 L3110uH C110.47uF/NC TP51 R50 0R5 + C9 10uF/6.3v CB26 0.1uF R0220 TP9 C13 1000pF L7FB R26 1k CB76 0.1uF IR1 IR 1 2 3 TP4 R4118k TP14 JP1 2x1 12 CB60

47、 0.1uF TP55 C3 0.1uF/NC TP6 CB21 0.1uF CB47 0.1uF R1415k TP70 C29 0.1uF TP28 C39 0.1uF TP32 R910K C100.1uF CB13 0.1uF R101K TP52 TP24 TP80 R24 560 L02FB TP20 R8680k TP21 TP7 CB20 0.1uF TP13 TP10 L12 FB D1 TC4W53 1 2 3 4 8 7 6 5 COMMON INH VEE VSS VDD CH0 CH1 A C40 C/NC L17 FB L015 601 TP50 CB48 0.1u

48、F C0603/SMD L21FB CB10 0.1uF C5 0.01uF R180 C6 2200pF C8 20pF C1390pF CB31 0.1uF 794.7N TP30 C17 33pF R170 + CE31 1000uF/10v TP26 R32 R/NC TP57 C44 330pF TP62 C119 10U/10V C091uF R210 TP81TP82 Pin Assignment v1.5 MT1389HD U2 MT1389HD 2 250 3 4 5 1 252 253 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21

49、22 23 256 28 27 30 29 32 31 43 26 25 33 34 35 36 42 41 45 39 40 46 38 37 59 75 74 72 71 70 69 68 52 91 62 63 87 86 64 65 84 83 82 81 73 93 53 54 55 56 80 57 58 67 92 85 60 61 76 78 90 79 66 77 94 95 96 97 98 99 100 101 102 103 104 105 116 106 107 244 245 108 109 110 111 112 122 113 114 115 117 118 120 119 121 123 124 125 126 128 127 129 192 191 190